Dr. Jerry Kooyman a long-time member and mentor of the marine mammal community and American scientist discusses his numerous research projects and contributions that took him to Antarctica where he studied Leopard seals, Weddell seals, and Emperor Penguins.  His research topics included the comparative anatomy and physiology of respiration in air-breathing marine vertebrates, diving behavior, and exercise physiology of marine mammals and other aquatic vertebrates including marine birds, particularly the emperor penguin.